Trained by Ben Case at Edgcote in Northamptonshire, Jack Doyen has benefited from a particular partnership with jockey Jack Quinlan. Together they have won four races from 24 rides—a 17% win rate—which is considerably better than the horse's overall record. This kind of chemistry between horse and rider can make a real difference, especially for a horse at this level. The trainer's yard is in good form this season with 15 winners already, so Jack Doyen is working within a strong operation.
One notable preference has emerged: Jack Doyen performs noticeably better on wet or muddy ground, winning 2 of 11 races in those conditions—an 18% win rate compared to his career average. This is the kind of detail that matters to experienced racing folk, and knowing a horse's ground preference can be the difference between picking a winner and backing a dud. His last success came at Huntingdon on 19 May 2026, five months ago, suggesting he has had a quieter spell recently despite his active campaign at lower levels. Typically competing in Class 5 races, he has won just twice from 24 starts at this grade, reinforcing the sense of a steady, mid-field operator rather than a rising star—but one who still turns up and occasionally delivers.
| Course | Races | Results | Last run | Win rate |
|---|---|---|---|---|
| hereford | 6 | 1 win, 1 second, 4 other | 11 Feb | 16.7% |
| Market Rasen Sharp |
4 | 1 third, 3 other | 7 Dec | 0% |
| Warwick Sharp |
3 | 1 win, 1 third, 1 other | 31 Dec | 33.3% |
| Stratford-on-Avon Sharp |
3 | 3 other | 5 Sep | 0% |
| Huntingdon Galloping |
2 | 1 win, 1 other | 19 May | 50% |
| Fontwell Park Tight |
2 | 1 second, 1 other | 8 Nov | 0% |
| Leicester Sharp |
2 | 1 third, 1 other | 6 Mar | 0% |
| Southwell Galloping |
2 | 2 other | 25 Nov | 0% |
| Hexham Undulating |
2 | 1 second, 1 third | 2 Oct | 0% |
| Newton Abbot Sharp |
1 | 1 win | 4 Apr | 100% |
| Uttoxeter Sharp |
1 | 1 other | 31 Dec | 0% |
| Sedgefield Sharp |
1 | 1 second | 6 Dec | 0% |
| Worcester Galloping |
1 | 1 other | 27 Oct | 0% |
| Plumpton Sharp |
1 | 1 third | 21 Oct | 0% |
| Wincanton Galloping |
1 | 1 other | 25 Feb | 0% |
| Ludlow Undulating |
1 | 1 third | 2 Mar | 0% |